Library reading room

Stephen H. Hart Research Center

The Assistance Goes On!

The Stephen H. Hart Research Center staff have set up virtual operations while currently closed to in-person visits.

Please select from the following to engage our services:


To get your research started, it may be helpful to explore our collection. We recommend searching both of our catalogs for your research topic - using a variety of search terms. Although currently limited, we also offer a research service for the History Colorado collection for a fee. 

If you need assistance with your research,  please email us at where a staff member will field your request M-F 10am-4pm.

A woman, possibly Blanche M. McFann, sits at a desk in an office at the Mountain States Telephone and Telegraph building at 1421 Champa Street in Denver, Colorado.

A woman, possibly Blanche M. McFann, associated with the operator's training school program of the Mountain States Telephone Company. (Object ID: 90.259.14)

Request a Reproduction

If you are requesting a reproduction, please search the catalogs first, and then fill out a reproduction request form and submit it to Learn more about reproduction services and policies.

Please note that some orders may be delayed at this time, and we appreciate your patience.

Visit the Janis Falkenberg Reading Room (in the future)

Please Note the History Colorado Center is Currently Closed to Visitors (learn more here). During normal operations, the Stephen H. Hart Research Center is free of charge and open to the public Tuesday through Saturday, 10 a.m. - 4 p.m. Archives, photographs, and artifacts are available (some restrictions apply) for viewing and research in the Janis Falkenberg Reading Room in the Stephen H. Hart Research Center. The Research Center is located on the 2nd floor of the History Colorado Center at 1200 Broadway. Prior to visiting, please acquaint yourself with the Reading Room Procedures and Policies.

Although not required, appointments arranged via the Research Request Form are encouraged for faster service during your visit. Be advised that access to some artifacts may require the submission of an additional form and take several weeks to arrange. 

In the meantime, enjoy some new offerings in The Collection and in our Digital Experiences


We are here to help!  
Please email us at if you need research assistance.